Wristwatch



FIG. 1 is a front isometric view of a wristwatch showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a top plan view of FIG. 2;

FIG. 4 is a bottom plan view of FIG. 2;

FIG. 5 is a right side elevational view of FIG. 2;

FIG. 6 is a left side elevational view of FIG. 2; and,

FIG. 7 is an inverted rear elevational view of FIG. 2. 

The ornamental design for a wristwatch, as shown and described. 